/******************************************************
 *                                                     
 *              Score System               
 *                                                     
 *******************************************************/

/**
 * TeacherTblDAO.java
 *
 * @author sundy
 * @version 0.0.1
 * lastModified 2011-01-01
 */

package com.sundy.daosupport;

import java.util.List;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.hibernate.LockMode;
import org.springframework.context.ApplicationContext;
import org.springframework.orm.hibernate3.support.HibernateDaoSupport;

import com.sundy.service.TeacherTbl;

/**
 * A data access object (DAO) providing persistence and search support for
 * TeacherTbl entities. Transaction control of the save(), update() and delete()
 * operations can directly support Spring container-managed transactions or they
 * can be augmented to handle user-managed Spring transactions. Each of these
 * methods provides additional information for how to configure it for the
 * desired type of transaction control.
 * 
 * @see com.sundy.service.TeacherTbl
 * @author MyEclipse Persistence Tools
 */

public class TeacherTblDAO extends HibernateDaoSupport {
	private static final Log log = LogFactory.getLog(TeacherTblDAO.class);
	// property constants
	public static final String NAME = "name";
	public static final String PASSWORD = "password";
	public static final String ADMIN = "admin";

	protected void initDao() {
		// do nothing
	}

	public void save(TeacherTbl transientInstance) {
		log.debug("saving TeacherTbl instance");
		try {
			getHibernateTemplate().save(transientInstance);
			log.debug("save successful");
		} catch (RuntimeException re) {
			log.error("save failed", re);
			throw re;
		}
	}

	public void delete(TeacherTbl persistentInstance) {
		log.debug("deleting TeacherTbl instance");
		try {
			getHibernateTemplate().delete(persistentInstance);
			log.debug("delete successful");
		} catch (RuntimeException re) {
			log.error("delete failed", re);
			throw re;
		}
	}

	public TeacherTbl findById(java.lang.Integer id) {
		log.debug("getting TeacherTbl instance with id: " + id);
		try {
			TeacherTbl instance = (TeacherTbl) getHibernateTemplate().get(
					"com.sundy.service.TeacherTbl", id);
			return instance;
		} catch (RuntimeException re) {
			log.error("get failed", re);
			throw re;
		}
	}

	@SuppressWarnings("unchecked")
	public List<TeacherTbl> findByExample(TeacherTbl instance) {
		log.debug("finding TeacherTbl instance by example");
		try {
			List results = getHibernateTemplate().findByExample(instance);
			log.debug("find by example successful, result size: "
					+ results.size());
			return results;
		} catch (RuntimeException re) {
			log.error("find by example failed", re);
			throw re;
		}
	}

	@SuppressWarnings("unchecked")
	public List<TeacherTbl> findByProperty(String propertyName, Object value) {
		log.debug("finding TeacherTbl instance with property: " + propertyName
				+ ", value: " + value);
		try {
			String queryString = "from TeacherTbl as model where model."
					+ propertyName + "= ?";
			return getHibernateTemplate().find(queryString, value);
		} catch (RuntimeException re) {
			log.error("find by property name failed", re);
			throw re;
		}
	}

	public List<TeacherTbl> findByName(Object name) {
		return findByProperty(NAME, name);
	}

	public List<TeacherTbl> findByPassword(Object password) {
		return findByProperty(PASSWORD, password);
	}

	@SuppressWarnings("unchecked")
	public List<TeacherTbl> findAll() {
		log.debug("finding all TeacherTbl instances");
		try {
			String queryString = "from TeacherTbl";
			return getHibernateTemplate().find(queryString);
		} catch (RuntimeException re) {
			log.error("find all failed", re);
			throw re;
		}
	}

	public TeacherTbl merge(TeacherTbl detachedInstance) {
		log.debug("merging TeacherTbl instance");
		try {
			TeacherTbl result = (TeacherTbl) getHibernateTemplate().merge(
					detachedInstance);
			log.debug("merge successful");
			return result;
		} catch (RuntimeException re) {
			log.error("merge failed", re);
			throw re;
		}
	}

	public void attachDirty(TeacherTbl instance) {
		log.debug("attaching dirty TeacherTbl instance");
		try {
			getHibernateTemplate().saveOrUpdate(instance);
			log.debug("attach successful");
		} catch (RuntimeException re) {
			log.error("attach failed", re);
			throw re;
		}
	}

	public void attachClean(TeacherTbl instance) {
		log.debug("attaching clean TeacherTbl instance");
		try {
			getHibernateTemplate().lock(instance, LockMode.NONE);
			log.debug("attach successful");
		} catch (RuntimeException re) {
			log.error("attach failed", re);
			throw re;
		}
	}

	public static TeacherTblDAO getFromApplicationContext(ApplicationContext ctx) {
		return (TeacherTblDAO) ctx.getBean("TeacherTblDAO");
	}
}